Symphonic CSHP80G, Руководство по обслуживанию

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1-10-1
BLOCK DIAGRAMS
System Control Block Diagram
IC601 (MAIN MICR
O CONTR
OLLER)
IC1501 (SUB MICR
O CONTR
O
LLER)
REMO
TE
SENSOR
RE2301
1G 7G
~
23 17
~
a h i
~
7
14
~
GRID
RESET
EV+3.3V
VFD
SEGMENT
FL2302
IC2301
IC1502
A
V
CB
A
HDD MAIN CB
A UNIT
(VFD DRIVER)
KEY SWITCH
D4003
DV
D
Q4003
KEY SWITCH
CN1503
CN4001
SW CB
A
16
48 50 49 27
28
1 2
1 2
52 23 32
38 40 39 33 34
22 19 18
M20
A2
N20
43 42 41
9 8
12
14 30
7
15
1
2
11
27MHz X'T
AL
X802
CLK 27 IN
CLK 27 OUT SYS-RESET
SUB-RXD
SUB-TXD
CN601
SYS-RESET
SUB-RXD
SUB-TXD
CN1101
PWR-SW REG-CONT LO
W
-PO
W
VIDEO-SW1
A
U
DIO-MUTE
37
HDD-A
UDIO-MUTE
HDD-A
UDIO-MUTE
A
VSEL
A
VSEL
A
U
DIO-SW1
A
U
DIO-SW2
SD
A
SCL
X OUT X IN XC OUT XC IN
RESET
P-DO
WN
VCC
FL-SD
A
FL-SCL FL-STB
REMO
T
E
KEY
-1
KEY
-2
D
V
D-LED
HDD-LED PO
WER-LED
PWR-SW REG-CONT LO
W
-PO
W
VIDEO-SW1
SD
A
SCL
A
UDIO-MUTE
A
U
DIO-SW1
A
U
DIO-SW2
44
A
VSEL
T
O
PO
WER SUPPL
Y
BLOCK DIA
GRAM
T
O
VIDEO
BLOCK DIA
GRAM
T
O
D
VD SYSTEM
CONTR
OL/SER
V
O
BLOCK DIA
GRAM
8MHz RESONA
T
O
R
X1501
32.768KHz X'T
AL
X1502
Q1501
Q1502
C1501
(BA
CKUP CAP
A
CIT
OR)
DIN
27
DOUT
FP-DIN
REMO
TE-D
VD
REMO
TE
FP-CLK FP-STB
FP-DOUT
CLK STB
1
FAN
2
FAN-LOCK
CN1052
FAN
N1
TO
A
U
D
IO
BLOCK DIA
GRAM
T
O
VIDEO
BLOCK DIA
GRAM
SCL SDA
TU1701(TUNER UNIT)
11 12
EV+5V
VIDEO-SW2
VIDEO-SW2
VIDEO-SW3
VIDEO-SW3
16
D
V
D-PLA
Y
D
V
D-PLA
Y
53
F
AN-CONT1
F
AN CONTR
OL
Q1053, Q1054
F
A
N+12V
Q1051, Q1052
54
F
A
N-CONT2
F
AN CONTR
OL
M1
3
F
A
N-LOCK
26
26
SYS-RESET
25
25
SUB-RXD
23
23
SUB-TXD
IC501
25
+1.5V
-CONT
58 59 60
EV+2.4V
P-ON+1.5V
22
22
+1.5V
-CONT
66
KEY
-1
77
KEY
-1
11
D
V
D-LED
22
HDD-LED
33
PO
WER-LED
+1.5V REGULA
T
OR
D4002
EV+5V
HDD
Q4002
D4001
PO
WER
Q4001
E41A1BLS